Temperature Effect on Supramolecular Hydrogel Gelation Process: A High-Resolution and Fast-Field Cycling NMR Study [0.03%]
温度对超分子水凝胶形成过程的影响：一种高分辨率及快速场循环核磁共振研究方法
Corentin Boulogne,Gaëlle Cogneaux,Paul Hoschtettler et al.
Corentin Boulogne et al.
Peptide-based supramolecular hydrogels are well known for their biocompatibility and the various range of applications in biotechnologies. The grafting of nucleobases along with the multicomponent approach allows a fine tuning of the hydrog...
Bitumen Emulsion-Mineral Surface Interactions: An NMR Study on the Interface Layer Composition [0.03%]
沥青乳液-矿物表面相互作用：关于界面层组成的一种核磁共振研究
Andrei Filippov,Hilde Soenen,Oleg N Antzutkin
Andrei Filippov
Compositions containing bitumen emulsions and solids have many applications, such as soil stabilization, cold mix asphalt preparation, dust binding, surface dressing and slurry sealing. Therefore, the interaction of bitumen with minerals is...
Structure Elucidation of Biflavones With Ether Bonds by NMR-Spectroscopy-Structure Revisions of Loniflavone and Methylloniflavone [0.03%]
用核磁共振光谱学解析醚键联结的双黄酮结构及重评loniflavone和methylloniflavone的结构
Olaf Kunert,Klaus Zangger,Lisa Haas et al.
Olaf Kunert et al.
For the structure elucidation of biflavones in which the subunits are linked by an ether bridge, two NMR spectroscopic approaches are shown to determine the position of the ether bridge, without derivatization of the compound. We show that ...
Structure Elucidation of Two New Sesquiterpenoids From Streptomyces argenteolus Isolated From Pantholops hodgsoni Feces [0.03%]
来源于盘羊粪便诺奖弧菌的两个新倍半萜醌类成分的结构鉴定
Dan Zheng,Ting Zhou,Yu Mu et al.
Dan Zheng et al.
Two new sesquiterpenoids, neopinguisane-2β,5β-diol (1) (pinguisane-type) and isoseiricardine B (2) (seiricardine-type), along with two known compounds, pentalenic acid (3) and nakienone C (4), were isolated from the culture broth of Strep...
Conformational Analysis and NMR Data Assignment of Taraxerone Isolated From Cnidoscolus aconitifolius (Chaya) [0.03%]
取自奇雅籽的Taraxerone的构象分析及核磁数据分配研究
Mónica Díaz-Fernández,Karla Cahun-Uicab,Viviana Roche-Llerena et al.
Mónica Díaz-Fernández et al.
We report, for the first time, the isolation of taraxerone from an isopropanol extract of chaya (Cnidoscolus aconitifolius), a traditional plant used in Mayan culture. Although this natural product has been previously identified in other pl...
A Computational Study of the NMR Chemical Shifts of Polynitropyrazoles [0.03%]
多氮杂稠环化合物的核磁共振化学位移计算研究
Arturo Alcorta,Rosa M Claramunt,José Elguero et al.
Arturo Alcorta et al.
The 1H, 13C, 15N, and 17O chemical shifts of 91 nitro-1H-pyrazoles, as well as 1-amino-1H-pyrazole, were calculated using the Gauge-Invariant Atomic Orbital/Becke Three-parameter Lee-Yang-Parr [GIAO/B3LYP/6-311++G(d,p)] method. The majority...
Solvent-Based NMR Approaches for the Assessment of Molecular Interactions: A Review of Current Practices [0.03%]
基于溶剂的NMR方法在分子相互作用评估中的应用：当前实践综述
Sakshi Bhagat,Bhawna Chaubey,Samanwita Pal
Sakshi Bhagat
The structure, dynamics, and reaction kinetics exhibited by molecules in the solution state are essentially governed by their interactions with the solvents. Solvents influence solute structure, stability, aggregation, and binding through n...
Quantitative Study on the Blockage Degree of Pores Due to Asphaltene Precipitation During CO2 Flooding in Tight Reservoirs With NMR [0.03%]
CO₂泡沫驱沥青沉淀造成的致密油藏孔隙堵塞程度的定量核磁共振研究
Weidong Wang,Weian Huang,Qian Sang et al.
Weidong Wang et al.
CO2 flooding is commonly employed for enhanced oil recovery in tight reservoirs. However, asphaltene deposition-induced pore blockage occurs during injection. Conventional studies primarily neglect pore-scale impairment mechanisms. To accur...
Revealing and Modeling NMR Relaxation Processes in Tissues: Endometrial Cancer Tissue as an Example [0.03%]
组织中NMR弛豫过程的测定和建模：子宫内膜癌组织为例
Karol Kolodziejski,Farman Ullah,Krzysztof Jablonski et al.
Karol Kolodziejski et al.
These studies are intended to be a step towards the identification of characteristic markers of relaxation processes in tissues, with the aim of revealing the extent to which they are tissue and/or cancer specific, and thus to consider the ...
ERETIC2-Assisted NMR Determination of Acid Dissociation Constants (pKa) for Some Novel Coumarin-Substituted Benzimidazolium Salts [0.03%]
基于ERETIC2辅助的新型香豆素取代苯并咪唑盐的酸离解常数(pKa)的核磁测定法研究
Akın Mumcu
Akın Mumcu
Coumarin and benzimidazole are widely preferred pharmacophores in drug design due to their broad spectrum of biological activities, and hybrid molecules formed by the combination of these two structures are thought to possess improved pharm...